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Jun 25, 2024 · At least add the /MT switch. That alone will in many cases double or triple the speed, especially when dealing with a lot of relatively smallfiles. And always use /R and /W because the robocopy defaults...
For huge file counts, Robocopy is usually faster and more resilient than Explorer. The biggest win is often multithreading via /MT. Tuning tip: Start with /MT:16 or /MT:32. If disk active time stays pinned at 100% wit...
Reporting every file to the terminal is extremely slow, but logging every file to a file will still slow things down quite a bit. It's also generally not useful information.
May 9, 2025 · What are the practical or documented limits for the number of files and total data size that Robocopy can handle reliably? Additionally, what best practices or system resource considerations should be ta...
Jan 28, 2026 · For quick transfers of manysmallfiles, consider creating an archive without compression (store mode) — combining files into one stream reduces per‑fileoverhead.
Oct 31, 2016 · Drag and drop the files between servers using explorer yields around 110MB/s, which is the speed I expected. I can't figure out why robocopy is going so slowly, when the file shares and network are clea...
May 9, 2025 · My latest attempts have include the /mir switch. I am finding that some time robocopy runs ok and sometimes it is extremely slow. See below two logfiles (middle sections removed to save space), each run ...
Dec 18, 2021 · It’s multi threaded and in high volume filecopies especially smallfiles it will be significantly faster than robocopy. It does have the drawback of being a GUI utility.
Jan 16, 2026 · Robocopy’s /MT parameter enables multithreaded filecopying, allowing multiplefiles to be processed simultaneously instead of one at a time. Introduced in Windows 7, this feature can significantly reduce...
Oct 17, 2025 · Great for smallcopy jobs, but when transferring a large number of files, you might want to save the results to a log. Another benefit of using the log file is that Robocopy will be faster.
